发明名称 |
METHOD AND DEVICE FOR ACCURATELY AND EASILY MEASURING A TIME DIFFERENCE BETWEEN VIDEO AND AUDIO |
摘要 |
Provided is a method for measuring a time difference between a digital video signal and a digital audio signal by extracting time series data from the digital video signal and the digital audio signal in respective frequency regions and statistically identifying the mutual correlation of the time series data in the frequency regions. |
申请公布号 |
WO2007049451(A1) |
申请公布日期 |
2007.05.03 |
申请号 |
WO2006JP320098 |
申请日期 |
2006.10.06 |
申请人 |
NATIONAL UNIVERSITY CORPORATION CHIBA UNIVERSITY;IKEDA, HIROAKI;IWAI, REIKO |
发明人 |
IKEDA, HIROAKI;IWAI, REIKO |
分类号 |
H04N5/60;H04N7/173;H04N17/04;H04N21/44 |
主分类号 |
H04N5/60 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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